/Engine/Source/Runtime/GeometryCore/Public/Polygon2.h
Check for polygon overlap, aka solid intersection. (In contrast, note that the "Intersects" method checks for edge intersection)
true if the Polygon overlaps the OtherPolygon.
bool Overlaps ( const [TPolygon2](API\Runtime\GeometryCore\TPolygon2)< T > & OtherPoly ) const